A blocked drain in Helston is rarely a slow-build problem. One backed-up toilet, one overflowing gully, one foul smell rising from a manhole, and a small fault becomes a flooded bathroom or a contaminated yard within hours. Clear Stream Drainage Solutions runs a 24-hour emergency drainage operation across Helston and the wider TR12 and TR13 postcodes. Our certified engineers are typically on-site inside 90 minutes, with no call-out fee, no diagnostic charge, and a fixed price agreed before we lift a manhole cover.
EXCELLENT Based on 59 reviews Posted on Google IanTrustindex verifies that the original source of the review is Google. Excellent fast service. Very polite and professional.Posted on Google Rachel JonesTrustindex verifies that the original source of the review is Google. I recently used Clear Stream for a problem with a septic tank and could not recommend them more highly. From the initial call out onwards they were knowledgeable, professional, helpful and conscientious. They originally attended as an emergency call out. Despite it being the May bank holiday they arrived within an hour and charged a really reasonable price for an emergency service. When it became clear that the problem was significant and we would need a new tank they installed a temporary fix then provided a detailed quotation for the major works, including answering insurers’ questions. The new tank was installed over a two day period in which they work really efficiently, while keeping me updated and informed about every stage. The guarantees for their work are reassuring and they made a stressful situation so much easier. I would highly recommend them to anyone.Posted on Google Gina MartinTrustindex verifies that the original source of the review is Google. Josh - what a superstar. The only reason I haven’t given 5 stars is … I will have to pay the bill. Josh really put me at ease. I have been stressing about the blocked drain for two weeks. He got on with the job. Kept me advised all the way through the work. Would definitely recommend him. THANK YOU JOSH!!!Posted on Google Natasha RatcliffeTrustindex verifies that the original source of the review is Google. Have had Josh over a few times now, for different reasons and are very happy with his work. Good communication, trustworthy, and straight to it, knows his stuff, was happy to talk it through and explain. Gave quotes ahead of work.Posted on Google Michelle JoseTrustindex verifies that the original source of the review is Google. Josh was quick to reply to my online query, and arranged to come out the same day. He quickly assessed the likely issue with the standing water and blocked drain, and promptly cleared it. His communication was great, I was advised of the cost up front, and everything was dealt with in a friendly and professional manner. Would definitely recommendPosted on Google Ruth CarpenterTrustindex verifies that the original source of the review is Google. Really prompt and efficient service from Josh. Very down to earth when explaining. Would definitely recommend and use again.Posted on Google Holbein HouseTrustindex verifies that the original source of the review is Google. Excellent service. We are a small hotel so a blocked drain could have damaged our reputation. Fast call out even though late evening. Quick, clean and efficient. Highly recommend. Thank you⭐️⭐️⭐️⭐️⭐️Posted on Google chris sweetTrustindex verifies that the original source of the review is Google. Cant fault Josh, came out on short notice and fixed the job in 5 minutes when the previous company took 2 hours and still couldnt fix the blockage. He knows what hes doing where others dont. Highly recommendPosted on Google Lizi O'HaraTrustindex verifies that the original source of the review is Google. Josh was great, really friendly and came out quickly to retrieve our stuck drain rods and clear out a blocked drain. We would happily use Clear Stream again and would recommend to others!Posted on Google Oli StradTrustindex verifies that the original source of the review is Google. Highly recommend. Did a cctv survey within a couple days for me and very useful insights and good communication. Top rated service.Verified by TrustindexTrustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more
Helston sits at the gateway to the Lizard Peninsula in west Cornwall, a historic stannary town built on steeply graded streets that funnel surface water hard during winter storms. The granite-built terraces along Coinagehall Street, Meneage Street, and Wendron Street rely on Victorian-era clay drainage now carrying the waste of properties extended, subdivided, and converted into flats above the shops. Out toward Porthleven and Mullion, coastal exposure adds salt corrosion to the list of pipe failures we see. Across the Lizard villages including St Keverne, Coverack, and Cadgwith, most properties are not connected to a mains sewer and depend on private septic tanks. For rural properties out toward Wendron and Sithney, the issues are tank capacity, soakaway saturation, and the granite and shillet bedrock that makes traditional excavation slow and expensive. Our engineers know which faults appear in which streets and which farms. That local familiarity shortens diagnosis and shortens the time you spend with a flooded drain.
A blocked drain announces itself before it floods. The earlier you act, the smaller the repair bill and the lower the risk of contamination inside your home or business. The symptoms below are listed in escalating order. If you reach the third or fourth, stop running water through the system and call us.
Slow Draining Sinks, Showers, And Baths
Persistent Drain Odours
Gurgling From Plugholes And Toilets
Rising Water Or Wastewater Backflow
In an emergency, every minute counts. If you’re experiencing any of these issues, call us immediately on 01872 222555.
If water is backing up, do not pour caustic chemical drain cleaners into the system. They rarely shift solid blockages, they damage older clay and pitch fibre pipework, and they create a hazard for the engineer who attends.
Speed matters in an emergency, but so does method. Pouring chemicals into the drain, rodding blindly, or jetting at the wrong pressure can shift a blockage temporarily while leaving the underlying defect, which is why so many homeowners end up calling a second contractor inside six months. Our engineers diagnose first, then select the technique that resolves the fault permanently. Image of the Clear Stream team jetting a blocked drain at a Cornish property.
Water jetting is our default method for grease, sand, silt, fat, and biological build-up. The jet head delivers a precisely controlled water flow that cuts through soft and semi-solid material while leaving the pipe wall intact. We adjust pressure based on pipe age and material, which matters in Helston where many properties still rely on older clay or pitch fibre runs that aggressive jetting can damage. The same care applies on rural farmsteads and Lizard smallholdings where private drainage runs may have been laid by previous owners with limited records of pipe specification or age.
For harder obstructions, including compacted scale, set fats, and root ingress, we deploy electro-mechanical machining. A rotating cutting head is fed through the pipe under controlled torque, removing the obstruction in stages without shock-loading the pipe wall. This is the right tool for older Helston properties where decades of limescale build-up have narrowed the bore, and for rural runs where root ingress from mature trees and hedgerows is a recurring issue. The cutting head is sized to the pipe, so the bore is restored to full diameter without damaging joints or fittings.
If a drain blocks once, clear it. If it blocks twice, survey it. Repeated faults at the same point almost always mean a structural defect: a hairline crack, a displaced joint, root ingress, or a partial collapse pulling debris into the bore. A CCTV drain survey in Helston gives us a direct view of the pipe wall, the joint condition, and the gradient. Our engineers record the survey footage, mark the fault location precisely against the property layout, and walk you through what we have found before recommending a repair. In most cases, no-dig drain relining resolves the defect without lifting a slab or excavating a garden, which keeps cost and disruption low. For rural properties where excavation means breaking through granite or shillet, no-dig repair is often not just preferable but the only practical route.
Few household emergencies cause more immediate stress than a blocked toilet. Water threatening to overflow, repeated flushing failures, or waste backing up into the bowl typically indicate a problem further along the drainage system rather than a fault with the toilet itself. Our engineers treat toilet unblocking in Helston as a priority call-out. We isolate the obstruction, clear it safely, and inspect the connected pipework to ensure the problem will not return the following week.
Most calls reach us during a crisis. The clients who stay with us long-term are the ones who switch to scheduled inspection and maintenance, because preventing a flood is always cheaper than responding to one. We work with private homeowners, holiday let operators, lettings agencies, hotels, farms, and commercial premises across the Helston area, and we tailor maintenance schedules around occupancy patterns and property type.

Our team clears blockages quickly and safely, restoring full flow and preventing further damage to your system.
Drain Unblocking
Using high-definition camera technology, we identify the exact cause of drainage issues without the need for unnecessary digging.
Drain Surveys in Truro
Drain relining reinforces your pipes from within, repairing cracks and leaks without excavation to restore full function and prevent future damage.
Drain Relining Truro
We remove built-up deposits that restrict water flow, improving drainage performance and extending the lifespan of your pipes.
Drain Pipe Descaling TruroWe serve the whole of Helston, Porthleven, Mullion, St Keverne, Coverack, Cadgwith, The Lizard, Wendron, Sithney, Breage, Gweek, Constantine, and the surrounding TR12 and TR13 postcodes.
Drainage responsibility in Helston confuses a lot of homeowners, and the confusion costs them money. Anything inside your property boundary, including the run from your house to the boundary line, is yours to maintain and repair. The shared sewer beyond the boundary, where multiple properties feed into a single main, falls to South West Water. The grey area is the section between. We diagnose where the fault sits, tell you plainly whose responsibility it is, and only quote for work that genuinely belongs to you. If the issue lies on the public sewer, we provide the survey evidence you need to escalate to South West Water at no charge. For the high proportion of rural properties on private septic tanks across the Lizard and out toward Wendron, the picture is different again. The whole system is yours, including the tank, the soakaway, and any shared private run between neighbouring farms or cottages. We document our findings clearly so you understand exactly what you own and what you are responsible for maintaining.
Most Helston calls are attended within 60 to 90 minutes. Properties out toward the Lizard or along the coast at Coverack and Cadgwith may take slightly longer at peak summer traffic, but we confirm an honest arrival window when you call rather than padding it.
Most domestic unblocking jobs in Helston fall within a fixed-price band that we confirm before any work starts. The exact figure depends on access, the method needed, and whether a CCTV survey is required to locate the fault. There is no call-out fee, no diagnostic charge, and no hourly creep. You agree the price before we lift a cover.
No. Caustic cleaners rarely shift solid blockages, they damage older clay and pitch fibre pipework common in Helston's Victorian terraces, and they create a hazard for the engineer attending afterwards. They also mask the underlying defect rather than fix it, so the blockage returns. Jetting or mechanical clearance is faster, safer, and resolves the cause.
Yes. Our standard response window across Helston and the TR12 and TR13 postcodes is 60 to 90 minutes for emergency calls, 24 hours a day, 365 days a year. Non-urgent bookings are typically scheduled within 24 to 48 hours depending on engineer availability.
The common causes here are fat and food waste from kitchen runs, wet wipes and sanitary products in toilet runs, root ingress through joints in older clay pipework, and silt or sand build-up in coastal properties exposed to salt air. On rural properties, soakaway saturation and septic tank capacity issues are the more frequent fault.
Yes. Our emergency line operates 24 hours a day, every day of the year. A certified engineer is on call overnight and at weekends, with the same response window, the same fixed pricing, and no out-of-hours surcharge.
Yes. All repairs carry a 5-year guarantee covering the work we have completed and the materials used. Clearance and unblocking work is guaranteed against the same fault recurring within a defined period, which we confirm in writing on the invoice.
Yes. Septic tank work is a significant share of what we do across the Lizard and the rural ground out toward Wendron and Sithney. We handle inspections, emptying, soakaway diagnosis, and repair or replacement where the tank or drainage field has failed. Survey reports are documented for landlords, agents, and pre-purchase buyers.
Clear Stream Drainage Solutions is a Cornwall-based, family-run drainage business operating across Helston and the wider county. Our engineers hold the relevant industry certifications, carry full public liability insurance, and arrive in branded vehicles with the diagnostic and clearance equipment needed to resolve most faults on the first visit. Josh, the director at Clear Stream uses an excavator as part of a drainage installation project.
A blocked drain only worsens until it is fixed. The cost goes up, the contamination spreads, and the repair becomes more invasive. One phone call gets a certified engineer on-site, a clear diagnosis, and a fixed-price resolution backed by a 5-year guarantee.
Call our emergency team now on 01872 222555
or use the option to request a fixed-price quote by text.
Not an emergency? Request a preventative drain inspection to avoid future blockages.